<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="../js/vue.js"></script>
  <link rel="stylesheet" href="./res/style.css">
</head>
<body>

  <div id="app2"></div>

  
  <div id="app">
    <div v-if="books.length > 0">
        <table>
            <thead>
                <th>序号</th>
                <th>书籍名称</th>
                <th>出版日期</th>
                <th>价格</th>
                <th>数量</th>
                <th>操作</th>
            </thead>
            <tbody>
                <tr v-for="(item,index) in books">
                    <td>{{item.id}}</td>
                    <td>{{item.name}}</td>
                    <td>{{item.date}}</td>
                    <td>{{item.price | improvePrice}}</td>
                    <td>{{item.count}}</td>
                    <td>
                        <button @click="increase(index)">+</button>
                        <button @click="decrease(index)" :disabled="item.count < 1">-</button>
                        <button @click="remove(index)">移除</button>
                    </td>
                </tr>
            </tbody>
          </table>
          <h4>总价：{{totalPrice | price}}</h4>
    </div>
      <h2 v-else>购物车为空</h2>
  </div>
<br>
   <script src="./js/main.js"></script>
</body>
</html>